Last but not least, you can also earn money online by building an online community, although the monetization strategies you can pursue will vary a lot depending on your goals. You can build a community with a blog, for example. You can also build an online forum and charge people for membership. You could even build up a Facebook group and use your influence there to sell and promote products.
Article marketing — this method seeks to gain a higher ranking in search engine results by establishing the marketer as a credible source that won't use spam software. Many marketers use websites like Ezine Articles to publish articles that contain a unique "resource box," and as other bloggers and website managers republish the article (with the resource box intact), the marketer who published the original article gradually earns higher search engine rankings.
The peer-to-peer concept is coming to virtually every corner of human existence. That includes the hospitality industry. Through AirBnB you can actually rent out your house for various lengths of time for a predetermined fee. That gives you an extra income on your house and gives the visitor the benefit of having an entire house, rather than being crammed into a single hotel room.